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Your search for Keyword "mechanical properties"resulted in 16 records.

Title: NEW INSIGHTS OF MECHANICAL SNOWPACK PROPERTIES MEASURED BY ACOUSTIC AND SEISMIC DISTRIBUTED FIBER OPTIC SENSING
Date: 2026-09-28
Authors: Alexander Prokop, Nicola Agostinetti, Benedikt Anwander, Bernhard Grasemann
Description: Since 2012 we successfully monitor avalanche activity using distributed seismic fiber optic sensing at our avalanche test area at Lech am Arlberg, Aus...
Object ID: ISSW2026_O1.5.pdf
Keywords: distributed seismic sensing, fiber optic, weak layer collapse, mechanical properties
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Title: SPATIAL VARIABILITY OF MECHANICAL AND DIELECTRIC PROPERTIES: GRAND MESA, COLORADO, U.S.A.
Date: 2024-09-23
Authors: Hans-Peter Marshall, Eli Deeb, Paul Siqueira, Kelly Elder, Lee Liberty, Thomas Othiem, Thomas Van Der Weide, Adrian Tang, Zach Hoppinen, Tate Meehan
Description: In order to accurately map slope to basin-scale snow stability at high resolution, spatial estimates of snow mass changes and snow mechanical propert...
Object ID: ISSW2024_O3.6.pdf
Keywords: snow mechanical properties, radar, spatial variability, remote sensing, snow micropenetrometer
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Title: Measuring snow mechanical properties typical of storm snow instabilities
Date: 2018-10-07
Authors: Benjamin Reuter, Neige Calonne, Ed Adams
Description: Dry snow slab avalanches release after failure has occurred in a weak layer below a cohesive snow slab. Typically, weak layers either consist of preci...
Object ID: ISSW2018_O10.3.pdf
Keywords: snow failure, snow mechanics, mechanical properties, snow instability, storm snow
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Title: Measuring the Mechanical Properties of Snow Relevant For Dry-Snow Slab Avalanche Release Using Particle Tracking Velocimetry
Date: 2016-10-02
Authors: Alec van Herwijnen, Ned Bair, Karl Birkeland, Ben Reuter, Ron Simenhois, Bruce Jamieson, Jürg Schweizer
Description: Particle tracking velocimetry (PTV) is a measurement technique widely used to determine displacement and velocity fields from video recordings. It is ...
Object ID: ISSW16_O17.03.pdf
Keywords: snow mechanical properties, avalanche release, particle tracking velocimetry, snow stability
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Title: On How to Measure Snow Mechanical Properties Relevant to Slab Avalanche Release
Date: 2013-10-07
Authors: Benjamin Reuter, Martin Proksch, Henning Loewe, Alec van Herwijnen, Jürg Schweizer
Description: The release of a slab avalanche is preceded by a sequence of fractures. The main material properties relevant for the fracture processes are the spec...
Object ID: ISSW13_paper_O2-02.pdf
Keywords: snow microstructure, snow mechanical properties, snow fracture, snow stability evaluation, avalanche release
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Title: Slope-Scale Snowpack Stability Derived from Multiple Snowmicropen Measurements and High-Resolution Terrestrial FMCW Radar Surveys
Date: 2010
Authors: Hans-Peter Marshall, Christine Pielmeier, Scott Havens, Frank Techel
Description: Slope-scale stability assessments from SnowMicroPen (SMP) profiles and from remote sensing techniques would support avalanche forecasting operations, ...
Object ID: ISSW_O-018.pdf
Keywords: snow cover, snow cover stability, snow stability evaluation, micro penetrometer, mechanical properties, avalanche forecasting, remote sensing, radar
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Title: 3s Sonic Snow Sensor - A Prototype Acoustic Snow Penetrometer
Date: 2010
Authors: Michael Schober, Achim Heilig, Martin Schneebeli, Nora Staack
Description: High-resolution snow penetrometry has resulted in an improved understanding of the mechanical and stratigraphic properties in a snowpack. However, the...
Object ID:
Keywords: snow penetrometer, mechanical properties, stratigraphic properties, avalanche warning
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Title: Force-Controlled Shear Experiments With Snow Samples
Date: 2009
Authors: Ingrid Reiweger, Robert Ernst, Jürg Schweizer, Jürg Dual
Description: Natural dry-snow slab avalanches start with a failure within a weak snow layer. In order to understand the mechanical behaviour and the failure mechan...
Object ID: issw-2009-0120-0123.pdf
Keywords: snow mechanical properties, shear strength, acoustic emission, dry-snow slab avalanche, piv
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Title: Deriving Spatial Stability Variations from Penetration Resistance Measurements
Date: 2008-09-23
Authors: Sascha Bellaire, Jürg Schweizer
Description: Spatial variations of weak layer and slab properties affect snow slope stability. To quantify spatial variability at the slope scale, penetration resi...
Object ID: P__8175.pdf
Keywords: snow mechanical properties, snow stability, avalanche formation, spatial variability, geostatistics
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Title: Estimating Rutschblock Stability from Snowmicropen Measurements
Date: 2008-09-26
Authors: Christine Pielmeier, Hans-Peter Marshall
Description: Stability prediction from SnowMicroPen (SMP) profiles would support avalanche forecasting operations, since stability information could be gathered mo...
Object ID: P__8126.pdf
Keywords: snowpack stability, rutschblock, micro penetrometer, mechanical properties, avalanche forecasting
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Title: The First Wetting of Snow: Micro-Structural Hardness Measurements Using a Snow Micro Penetrometer
Date: 2008-09-22
Authors: Frank Techel, Christine Pielmeier, Martin Schneebeli
Description: Wet snow avalanches are responsible for avalanche fatalities but more frequently they threaten infrastructure, as mountain pass roads, in spring. A we...
Object ID: P__8125.pdf
Keywords: wet snow, water flow, liquid water content, micro-structural hardness, mechanical properties
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Title: Micro Structural Snowpack Parameters Associated with Fracture Character in Compression Tests
Date: 2008-09-22
Authors: Alec van Herwijnen, Sascha Bellaire, Jürg Schweizer
Description: Compression tests are snow stability tests which are widely used by avalanche professional and snow researchers to identify potential weak snowpack l...
Object ID: P__8211.pdf
Keywords: snow microstructure, snow mechanical properties, snow stability evaluation, stability test
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Title: Improvements in the Application of the Snowmicropen to Derive Stability Information for Avalanche Forecasting
Date: 2006
Authors: Christine Pielmeier, Jürg Schweizer, Hans Peter Marshall
Description: Local snowpack measurements and local stability tests are currently the basis for the assessment of snowpack stability in most avalanche warning opera...
Object ID: issw-2006-187-192.pdf
Keywords: snowpack stability, avalanche forecasting, snow profile, mechanical properties, snow hardness
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Title: Spatial Variability – So What?
Date: 2006
Authors: Jürg Schweizer, Kalle Kronholm, J. Bruce Jamieson, Karl W. Birkeland
Description: Since the landmark papers of Conway and Abrahamson many studies have tried to quantify spatial variability. Many different methods have been used and ...
Object ID: issw-2006-365-376.pdf
Keywords: snow mechanical properties, snow slope stability evaluation, avalanche formation, avalanche forecasting, spatial variability, numerical modeling
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Title: Application of the Snowmicropen to Derive Stability Information for Avalanche Forecasting
Date: 2004
Authors: Christine Pielmeier, Jürg Schweizer, Thomas Stucki
Description: Snowpack measurements and stability tests are currently the basis for snowpack stability assessment in most avalanche warning operations. The SnowMic...
Object ID: issw-2004-177-181.pdf
Keywords: snowpack stability, avalanche forecasting, snow profile, mechanical properties, snow hardness
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